Week 8 examined how serverless and event-driven architecture collaborate. Lambda (cold start, concurrency, VPC ENI), Step Functions (state machine, Saga, Distributed Map), EventBridge (Bus, Pipes, Scheduler), AppSync (GraphQL + Subscription), SQS/SNS/Kinesis/MSK (messaging, streaming) — six domains appear independent but production nearly always combines two or three. That's exactly what SAP-C02 exams target. "Lambda alone isn't enough," "Step Functions alone isn't enough" — the ability to identify keyword combinations and judge which tool combination fits best matters.
Today consolidates week 8 into 12 comprehensive scenarios